A NOVEL APPROACH TO THE DESIGN OF DUAL-BAND POWER DIVIDER WITH VARIABLE POWER DIVIDING RATIO BASED ON COUPLED-LINES

被引：65
|
作者：
Lin, Z. [1 ]
Chu, Q. -X. [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Guangdong, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2010年 / 103卷
基金：
中国国家自然科学基金;
关键词：
FREQUENCY; ANTENNA; FILTERS; RESONATORS;
D O I：
10.2528/PIER10012202
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents an approach to the design of a novel dual-band power divider with variable power dividing ratio. To achieve dual-band operation, a novel dual-band quarter-wave length transformer based on coupled-lines is proposed, which is used to replace the quarter-wave length transformer in Wilkinson power divider. The proposed dual-band power divider features a simple compact planar structure with wide bandwidth performance for small frequency ratio. Closed-form design equations with one degree of design freedom are derived using even- and odd-mode analysis and transmission line theory. For verification purpose, power dividers operating at 2.4/3.8 GHz with dividing ratios of 2 :1 and 1: 1 are designed, simulated and measured. The simulated and measured results are in good agreement.
引用
收藏
页码：271 / 284
页数：14
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